45909646 has 8 divisors (see below), whose sum is σ = 68900760. Its totient is φ = 22942728.

The previous prime is 45909641. The next prime is 45909683. The reversal of 45909646 is 64690954.

It is a happy number.

45909646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45909641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (8612595).

Almost surely, 2^45909646 is an apocalyptic number.

45909646 is a deficient number, since it is larger than the sum of its proper divisors (22991114).

45909646 is a wasteful number, since it uses less digits than its factorization.

45909646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 45909646 is about 6775.6657237500. The cubic root of 45909646 is about 358.0700371697.

The spelling of 45909646 in words is "forty-five million, nine hundred nine thousand, six hundred forty-six".